L7224U Series ELECTRONIC AQUASTAT

The L7224U Oil Electronic Aquastat® Controllers provide electronic tem- perature sensing in a UL limit-rated control with a single sensing probe. The L7224U controls circulator, oil burner and boiler temperature. The L7224U replaces most models of the L8124A, L8124C, L7124U, L7148A, L7248A,C, L7224A,C, and L8148A Controllers. These Aquastat® Con- trollers are intended for use in residential-type applications. The L7224U provides status and diagnostic information through an LED display com- bined with LED lights to enhance the diagnostic process. Offers increased flexibility-Vertical, Horizontal and flush mount options and is configurable for single function use. The L7224 is also enabled for 3-wire Envirocom communication.

The W8735S installation is simple and quick. Simple programming and diagnostic capabilities combine for energy saving on every installation. Automatically decreases boiler set-point based on outdoor temperature to maximize energy savings. Enables warm weather shut-down and boost override. Simple low voltage 5-wire installation.

Electrical ratings: 120 Volt primary, 24 volt secondary. 7.4 FLA contact rating for burner and circulator. Temperature ratings: Low limit 110-220°F with 10-25°F adjustable differential. High limit: 130-240°F with 5-20°F adjustable differential.

CAT. NO. MFG. NO. 2C682

DIMENSIONS H x W x D DESCRIPTION L7224U1002 7-1/5 x 4-1/4 x 3-3/4”

2C8620 W8735S1000 N/A 2C8622 W8735S1008 N/A 2C682C 121371AA

N/A 2C682S 50001464-005 N/A Electronic Aquastat Outdoor Reset Module & Wired Sensor

Domestic Hot Water Module & Temperature Sensor (use with 2C8620) Well Clamp for above

Remote Sensor - up to 48” $40.78 EACH $281.06

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